US9510256B2 - Seamless handoff, offload, and load balancing in integrated Wi-Fi/small cell systems - Google Patents
Seamless handoff, offload, and load balancing in integrated Wi-Fi/small cell systems Download PDFInfo
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- US9510256B2 US9510256B2 US13/622,969 US201213622969A US9510256B2 US 9510256 B2 US9510256 B2 US 9510256B2 US 201213622969 A US201213622969 A US 201213622969A US 9510256 B2 US9510256 B2 US 9510256B2
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- 230000001413 cellular effect Effects 0.000 claims abstract description 228
- 238000000034 method Methods 0.000 claims abstract description 51
- 238000013519 translation Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 4
- 238000013475 authorization Methods 0.000 claims description 3
- 238000003908 quality control method Methods 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 10
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/22—Performing reselection for specific purposes for handling the traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
- H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
Abstract
Description
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- All data sessions are handed off from the cellular network to the Wi-Fi network, whereas all voice sessions are maintained on the cellular network;
- All cellular traffic is handed off to the Wi-Fi network whenever the Wi-Fi network is detected;
- All cellular traffic is handed off to the Wi-Fi network when the quality of the cellular link falls below a given performance target;
- All high-priority data or data requiring a given QoS remain on the cellular network, and all other data are handed off to the Wi-Fi network;
- The quality of a UE's cellular and Wi-Fi connections are monitored, and handoff from the cellular network to the Wi-Fi network occurs if the Wi-Fi network is expected to deliver better performance.
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- All voice sessions (e.g., Skype VoIP sessions) are handed off from the Wi-Fi network to the cellular network, whereas all data sessions are maintained on the Wi-Fi network.
- All Wi-Fi traffic or Wi-Fi traffic requiring a given QoS are handed off to the cellular network when the quality of the Wi-Fi link falls below a given performance target.
- All high-priority data or data requiring a given QoS are handed off to the cellular network, and all other data remain on the Wi-Fi network
- All bandwidth-intensive traffic (e.g., video) remains on the Wi-Fi network unless the Wi-Fi network cannot support the traffic's required QoS while the cellular network can support the required QoS. All other Wi-Fi traffic requiring a given QoS is handed off to the cellular network. All traffic not requiring a given QoS remains on the Wi-Fi network.
- The quality of a UE's cellular and Wi-Fi connections are monitored, and handoff from the Wi-Fi network to the cellular network occurs if the cellular network is expected to deliver better performance.
Claims (49)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/622,969 US9510256B2 (en) | 2011-09-20 | 2012-09-19 | Seamless handoff, offload, and load balancing in integrated Wi-Fi/small cell systems |
EP12834237.5A EP2759169B1 (en) | 2011-09-20 | 2012-09-20 | Seamless handoff, offload, and load balancing in integrated wi-fi/small cell systems |
PCT/US2012/056331 WO2013043869A1 (en) | 2011-09-20 | 2012-09-20 | Seamless handoff, offload, and load balancing in integrated wi-fi/small cell systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161536987P | 2011-09-20 | 2011-09-20 | |
US13/622,969 US9510256B2 (en) | 2011-09-20 | 2012-09-19 | Seamless handoff, offload, and load balancing in integrated Wi-Fi/small cell systems |
Publications (2)
Publication Number | Publication Date |
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US20130077482A1 US20130077482A1 (en) | 2013-03-28 |
US9510256B2 true US9510256B2 (en) | 2016-11-29 |
Family
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US13/622,969 Active 2034-08-28 US9510256B2 (en) | 2011-09-20 | 2012-09-19 | Seamless handoff, offload, and load balancing in integrated Wi-Fi/small cell systems |
Country Status (3)
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US (1) | US9510256B2 (en) |
EP (1) | EP2759169B1 (en) |
WO (1) | WO2013043869A1 (en) |
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Also Published As
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EP2759169B1 (en) | 2017-09-20 |
EP2759169A1 (en) | 2014-07-30 |
WO2013043869A1 (en) | 2013-03-28 |
EP2759169A4 (en) | 2015-12-09 |
US20130077482A1 (en) | 2013-03-28 |
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